<template>
    <ContentField>
        <table class="table table-striped table-hover" style="text-align: center;">
            <thead>
                <tr>
                    <th>玩家</th>
                    <th>天梯分</th>
                </tr>
            </thead>
            <tbody>
                <tr v-for="user in users" :key="user.id">
                    <td>
                        <img :src="user.photo" alt="" class="record-user-photo">
                        &nbsp;
                        <span class="record-user-username">{{ user.username }}</span>
                    </td>
                    <td>{{ user.rating }}</td>
                </tr>
              </tbody>
        </table>
        <nav aria-label="...">
        <ul class="pagination" style="float: right;">
            <li class="page-item" @click="click_page(-2)">
            <a class="page-link">前一页</a>
            </li>

            <li :class="'page-item ' + page.is_active" v-for="page in pages" :key="page.number" @click="click_page(page.number)">
                <a class="page-link" href="#">{{ page.number }}</a>
            </li>

           
            <li class="page-item" @click="click_page(-1)">
            <a class="page-link" href="#">后一页</a>
            </li>
         </ul>
        </nav>
     </ContentField>
</template>

<script>
import ContentField from '../../components/ContentField.vue'
import { useStore } from 'vuex';
import $ from 'jquery'
import { ref } from 'vue';

export default{
    components:{
         ContentField,
    },
    setup(){
         const store=useStore();
         let current_page=1;
         let users=ref([]);
         let total_users=0; //总对局数量
         let pages=ref([]);

        const update_pages=()=>{
            let max_pages=parseInt(Math.ceil(total_users/3));
            let new_pages=[];
            for(let i=current_page-2;i<=max_pages+2;i++){

                if(i>=1 && i<=max_pages){
                    new_pages.push({
                        number:i,
                        is_active:i==current_page? "active":"",
                    });
                }
            } 
              pages.value=new_pages;
        }

        const click_page=page=>{
            if(page === -2) page=current_page-1;
            else if(page === -1) page=current_page+1;
            let max_pages=parseInt(Math.ceil(total_users/3));
            if(page>=1 && page<=max_pages){
                pull_page(page);
            }

        }
         const pull_page=page=>{
            current_page=page;
            $.ajax({
            url:"http://127.0.0.1:3000/ranklist/getlist/",
            type:"get",
            data:{
                page,
            },
            headers:{
               Authorization:"Bearer "+store.state.user.token,
            },
            success(resp){
               users.value=resp.users;
               total_users=resp.users_count;
               console.log(resp);
               update_pages();
            },
            error(resp){
                console.log(resp);
            }
        })
      }


         pull_page(current_page);

         return{
            users,
            pages,
            click_page,
         }
    }
}
</script>


<style scoped>
img.record-user-photo {
    width: 4vh;
    border-radius: 50%;
}
</style>
